In the case of String, several references can point to the same object. If any changes are performed by any reference then other references will be impacted. Thus, String is immutable in nature. Example demonstrating Java string immutability ...
String is widely used as a parameter for many java classes, e.g. network connection, opening files, etc. Were String not immutable, a connection or file would be changed and this can lead to a serious security threat. The method thought it was connecting to one machine, but was not. Mu...
String Pooling: Java uses a string pool to manage string literals. A string literal is a string created without using new keyword, for example: String str = “hello”; If a string is created with a value that is already present in the pool, then JVM returns the reference of existing str...
Why Javascript is called as lightweight programming language? Define inheritance, polymorphism and how they are used in python? What is the reason that strings are made immutable ? (a) Explain the difference between a class ...